{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["adverse effect"], "input": "He was started on digoxin , 0.25 mg daily , because of echocardiographically demonstrated left ventricular dilatation and functional impairment ; he died of ventricular fibrillation 15 days later ."}
{"adverse effect": [{"subject": "left ventricular dilatation", "object": "digoxin"}, {"subject": "functional impairment", "object": "digoxin"}, {"subject": "ventricular fibrillation", "object": "digoxin"}]}